I have a solution which is reading files like xml or png from a network share. Now some customers want to move to SharePoint. We realized that the document library can be opened in windows explorer and we can use a unc path to read the files the same way we read the files from the network share. So we don't need to change the application. We use the webdav path like:
\\mysharepoint@SSL\DavWWWRoot\my Files
I can now get informations about the xml file:
Dim fi As New IO.FileInfo("\\mysharepoint@SSL\DavWWWRoot\my Files\test.xml")
But I can't load the xml file:
Dim xmlDoc As New Xml.XmlDocument
xmlDoc.Load("\\mysharepoint@SSL\DavWWWRoot\my Files\test.xml")
I get an error that the uri isn't ccorrect.

Some weeks ago I can read the xmlfile with another path:
xmlDoc.Load("\\mysharepoint\my Files\test.xml")
But now it doesn't work anymore. I get a message that I have no access to this path and I just add it to the trusted sites in internet explorer. Maybe something changed on my SharePoint (office365)?
I also can't open this path (without davwwwroot) anymore in the windows explorer, I'm sure I could open this path before.

Can anyone help me? I don't want to change every reading operation in my application for SharePoint libraries. Is this possible?

This may be a long shot and is not best practice, but might help you out. You can use a drive letter to map to a SharePoint document library. In that way you may be able to avoid some of the issues you are having.

Thanks a lot!
We also thought about a drive letter, but we ant to avoid it because every pc in a network needs the same drive letter.
I tried it again on my pc: logged off from the SharePoint and logged in again and suddenly I can access the document library without the ssl and webdav in the path.
That's strange.

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